This is the mail archive of the
gcc-bugs@gcc.gnu.org
mailing list for the GCC project.
[Bug middle-end/60418] [4.9 Regression] 435.gromacs in SPEC CPU 2006 is miscompiled
- From: "rguenth at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Wed, 05 Mar 2014 09:33:55 +0000
- Subject: [Bug middle-end/60418] [4.9 Regression] 435.gromacs in SPEC CPU 2006 is miscompiled
- Auto-submitted: auto-generated
- References: <bug-60418-4 at http dot gcc dot gnu dot org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60418
--- Comment #3 from Richard Biener <rguenth at gcc dot gnu.org> ---
(In reply to H.J. Lu from comment #1)
> Do we need to verify that basic block DEST has a single predecessor?
No, that's not necessary. In fact that disables all pre-header
removal (because the loop header always has the loop entry and at least
one latch)